Home / 136,123.20-204,033.60-57,214.08

Finding the Fourth Proportional to 136,123.20, 204,033.60 and 57,214.08

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Solution

The fourth proportional to 136,123.20, 204,033.60 and 57,214.08 is: 85,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,123.20 : 204,033.60 = 57,214.08 : x
  2. Step 2: Convert to fraction form
    136,123.20/204,033.60 = 57,214.08/x
  3. Step 3: Cross multiply
    136,123.20x = 204,033.60 × 57,214.08
  4. Step 4: Simplify right side
    136,123.20x = 11,673,594,713.09
  5. Step 5: Solve for x
    x = 11,673,594,713.09/136,123.20
  6. Step 6: Final answer
    x = 85,757.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.